/*!
 * jQuery Validation Plugin v1.16.0
 *
 * http://jqueryvalidation.org/
 *
 * Copyright (c) 2016 Jörn Zaefferer
 * Released under the MIT license
 */
(function( factory ) {
  if ( typeof define === "function" && define.amd ) {
    define( ["jquery"], factory );
  } else if (typeof module === "object" && module.exports) {
    module.exports = factory( require( "jquery" ) );
  } else {
    factory( jQuery );
  }
}(function( $ ) {

$.extend( $.fn, {

  // http://jqueryvalidation.org/validate/
  validate: function( options ) {

    // If nothing is selected, return nothing; can't chain anyway
    if ( !this.length ) {
      if ( options && options.debug && window.console ) {
        console.warn( "Nothing selected, can't validate, returning nothing." );
      }
      return;
    }

    // Check if a validator for this form was already created
    var validator = $.data( this[ 0 ], "validator" );
    if ( validator ) {
      return validator;
    }

    // Add novalidate tag if HTML5.
    this.attr( "novalidate", "novalidate" );

    validator = new $.validator( options, this[ 0 ] );
    $.data( this[ 0 ], "validator", validator );

    if ( validator.settings.onsubmit ) {

      this.on( "click.validate", ":submit", function( event ) {
        if ( validator.settings.submitHandler ) {
          validator.submitButton = event.target;
        }

        // Allow suppressing validation by adding a cancel class to the submit button
        if ( $( this ).hasClass( "cancel" ) ) {
          validator.cancelSubmit = true;
        }

        // Allow suppressing validation by adding the html5 formnovalidate attribute to the submit button
        if ( $( this ).attr( "formnovalidate" ) !== undefined ) {
          validator.cancelSubmit = true;
        }
      } );

      // Validate the form on submit
      this.on( "submit.validate", function( event ) {
        if ( validator.settings.debug ) {

          // Prevent form submit to be able to see console output
          event.preventDefault();
        }
        function handle() {
          var hidden, result;
          if ( validator.settings.submitHandler ) {
            if ( validator.submitButton ) {

              // Insert a hidden input as a replacement for the missing submit button
              hidden = $( "<input type='hidden'/>" )
                .attr( "name", validator.submitButton.name )
                .val( $( validator.submitButton ).val() )
                .appendTo( validator.currentForm );
            }
            result = validator.settings.submitHandler.call( validator, validator.currentForm, event );
            if ( validator.submitButton ) {

              // And clean up afterwards; thanks to no-block-scope, hidden can be referenced
              hidden.remove();
            }
            if ( result !== undefined ) {
              return result;
            }
            return false;
          }
          return true;
        }

        // Prevent submit for invalid forms or custom submit handlers
        if ( validator.cancelSubmit ) {
          validator.cancelSubmit = false;
          return handle();
        }
        if ( validator.form() ) {
          if ( validator.pendingRequest ) {
            validator.formSubmitted = true;
            return false;
          }
          return handle();
        } else {
          validator.focusInvalid();
          return false;
        }
      } );
    }

    return validator;
  },

  // http://jqueryvalidation.org/valid/
  valid: function() {
    var valid, validator, errorList;

    if ( $( this[ 0 ] ).is( "form" ) ) {
      valid = this.validate().form();
    } else {
      errorList = [];
      valid = true;
      validator = $( this[ 0 ].form ).validate();
      this.each( function() {
        valid = validator.element( this ) && valid;
        if ( !valid ) {
          errorList = errorList.concat( validator.errorList );
        }
      } );
      validator.errorList = errorList;
    }
    return valid;
  },

  // http://jqueryvalidation.org/rules/
  rules: function( command, argument ) {
    var element = this[ 0 ],
      settings, staticRules, existingRules, data, param, filtered;

    // If nothing is selected, return empty object; can't chain anyway
    if ( element == null || element.form == null ) {
      return;
    }

    if ( command ) {
      settings = $.data( element.form, "validator" ).settings;
      staticRules = settings.rules;
      existingRules = $.validator.staticRules( element );
      switch ( command ) {
      case "add":
        $.extend( existingRules, $.validator.normalizeRule( argument ) );

        // Remove messages from rules, but allow them to be set separately
        delete existingRules.messages;
        staticRules[ element.name ] = existingRules;
        if ( argument.messages ) {
          settings.messages[ element.name ] = $.extend( settings.messages[ element.name ], argument.messages );
        }
        break;
      case "remove":
        if ( !argument ) {
          delete staticRules[ element.name ];
          return existingRules;
        }
        filtered = {};
        $.each( argument.split( /\s/ ), function( index, method ) {
          filtered[ method ] = existingRules[ method ];
          delete existingRules[ method ];
          if ( method === "required" ) {
            $( element ).removeAttr( "aria-required" );
          }
        } );
        return filtered;
      }
    }

    data = $.validator.normalizeRules(
    $.extend(
      {},
      $.validator.classRules( element ),
      $.validator.attributeRules( element ),
      $.validator.dataRules( element ),
      $.validator.staticRules( element )
    ), element );

    // Make sure required is at front
    if ( data.required ) {
      param = data.required;
      delete data.required;
      data = $.extend( { required: param }, data );
      $( element ).attr( "aria-required", "true" );
    }

    // Make sure remote is at back
    if ( data.remote ) {
      param = data.remote;
      delete data.remote;
      data = $.extend( data, { remote: param } );
    }

    return data;
  }
} );

// Custom selectors
$.extend( $.expr.pseudos || $.expr[ ":" ], {    // '|| $.expr[ ":" ]' here enables backwards compatibility to jQuery 1.7. Can be removed when dropping jQ 1.7.x support

  // http://jqueryvalidation.org/blank-selector/
  blank: function( a ) {
    return !$.trim( "" + $( a ).val() );
  },

  // http://jqueryvalidation.org/filled-selector/
  filled: function( a ) {
    var val = $( a ).val();
    return val !== null && !!$.trim( "" + val );
  },

  // http://jqueryvalidation.org/unchecked-selector/
  unchecked: function( a ) {
    return !$( a ).prop( "checked" );
  }
} );

// Constructor for validator
$.validator = function( options, form ) {
  this.settings = $.extend( true, {}, $.validator.defaults, options );
  this.currentForm = form;
  this.init();
};

// http://jqueryvalidation.org/jQuery.validator.format/
$.validator.format = function( source, params ) {
  if ( arguments.length === 1 ) {
    return function() {
      var args = $.makeArray( arguments );
      args.unshift( source );
      return $.validator.format.apply( this, args );
    };
  }
  if ( params === undefined ) {
    return source;
  }
  if ( arguments.length > 2 && params.constructor !== Array  ) {
    params = $.makeArray( arguments ).slice( 1 );
  }
  if ( params.constructor !== Array ) {
    params = [ params ];
  }
  $.each( params, function( i, n ) {
    source = source.replace( new RegExp( "\\{" + i + "\\}", "g" ), function() {
      return n;
    } );
  } );
  return source;
};

$.extend( $.validator, {

  defaults: {
    messages: {},
    groups: {},
    rules: {},
    errorClass: "error",
    pendingClass: "pending",
    validClass: "valid",
    errorElement: "label",
    submitBtn: null,
    focusCleanup: false,
    focusInvalid: true,
    errorContainer: $( [] ),
    errorLabelContainer: $( [] ),
    onsubmit: true,
    ignore: ":hidden",
    ignoreTitle: false,
    onfocusin: function( element ) {
      this.lastActive = element;

      // Hide error label and remove error class on focus if enabled
      if ( this.settings.focusCleanup ) {
        if ( this.settings.unhighlight ) {
          this.settings.unhighlight.call( this, element, this.settings.errorClass, this.settings.validClass );
        }
        this.hideThese( this.errorsFor( element ) );
      }
    },
    onfocusout: function( element ) {
      if ( !this.checkable( element ) && ( element.name in this.submitted || !this.optional( element ) ) ) {
        this.element( element );
      }
    },
    onkeyup: function( element, event ) {
      // Avoid revalidate the field when pressing one of the following keys
      // Shift       => 16
      // Ctrl        => 17
      // Alt         => 18
      // Caps lock   => 20
      // End         => 35
      // Home        => 36
      // Left arrow  => 37
      // Up arrow    => 38
      // Right arrow => 39
      // Down arrow  => 40
      // Insert      => 45
      // Num lock    => 144
      // AltGr key   => 225
      var excludedKeys = [
        16, 17, 18, 20, 35, 36, 37,
        38, 39, 40, 45, 144, 225
      ];

      if ( event.which === 9 && this.elementValue( element ) === "" || $.inArray( event.keyCode, excludedKeys ) !== -1 ) {
        return;
      } else if ( element.name in this.submitted || element.name in this.invalid ) {
        this.element( element );
      }
    },
    onclick: function( element ) {
      // Click on selects, radiobuttons and checkboxes
      if ( element.name in this.submitted ) {
        this.element( element );

      // Or option elements, check parent select in that case
      } else if ( element.parentNode.name in this.submitted ) {
        this.element( element.parentNode );
      }
    },
    highlight: function( element, errorClass, validClass ) {
      if ( element.type === "radio" ) {
        this.findByName( element.name ).addClass( errorClass ).removeClass( validClass );
      } else {
        $( element ).addClass( errorClass ).removeClass( validClass );
      }
    },
    unhighlight: function( element, errorClass, validClass ) {
      if ( element.type === "radio" ) {
        this.findByName( element.name ).removeClass( errorClass ).addClass( validClass );
      } else {
        $( element ).removeClass( errorClass ).addClass( validClass );
      }
    }
  },

  // http://jqueryvalidation.org/jQuery.validator.setDefaults/
  setDefaults: function( settings ) {
    $.extend( $.validator.defaults, settings );
  },

  messages: {
    required: Translate('required'),
    remote: "Please fix this field.",
    email: Translate('validate_email'),
    url: "Please enter a valid URL.",
    date: "Please enter a valid date.",
    dateISO: "Please enter a valid date (ISO).",
    number: "Please enter a valid number.",
    digits: "Please enter only digits.",
    equalTo: "Please enter the same value again.",
    maxlength: $.validator.format( "Please enter no more than {0} characters." ),
    minlength: $.validator.format( "Please enter at least {0} characters." ),
    rangelength: $.validator.format( "Please enter a value between {0} and {1} characters long." ),
    range: $.validator.format( "Please enter a value between {0} and {1}." ),
    max: $.validator.format( "Please enter a value less than or equal to {0}." ),
    min: $.validator.format( "Please enter a value greater than or equal to {0}." ),
    step: $.validator.format( "Please enter a multiple of {0}." )
  },

  autoCreateRanges: false,

  prototype: {

    init: function() {
      this.labelContainer = $( this.settings.errorLabelContainer );
      this.errorContext = this.labelContainer.length && this.labelContainer || $( this.currentForm );
      this.containers = $( this.settings.errorContainer ).add( this.settings.errorLabelContainer );
      this.submitted = {};
      this.valueCache = {};
      this.pendingRequest = 0;
      this.pending = {};
      this.invalid = {};
      this.reset();

      var groups = ( this.groups = {} ),
        rules;
      $.each( this.settings.groups, function( key, value ) {
        if ( typeof value === "string" ) {
          value = value.split( /\s/ );
        }
        $.each( value, function( index, name ) {
          groups[ name ] = key;
        } );
      } );
      rules = this.settings.rules;
      $.each( rules, function( key, value ) {
        rules[ key ] = $.validator.normalizeRule( value );
      } );

      function delegate( event ) {

        // Set form expando on contenteditable
        if ( !this.form && this.hasAttribute( "contenteditable" ) ) {
          this.form = $( this ).closest( "form" )[ 0 ];
        }

        var validator = $.data( this.form, "validator" ),
          eventType = "on" + event.type.replace( /^validate/, "" ),
          settings = validator.settings;
        if ( settings[ eventType ] && !$( this ).is( settings.ignore ) ) {
          settings[ eventType ].call( validator, this, event );
        }

        if(validator.settings.submitBtn){
          if(validator.validAll()){
            validator.settings.submitBtn.removeAttr('disabled');
          }else{
            validator.settings.submitBtn.attr('disabled', 'true');
          }
        }
      }

      $( this.currentForm )
        .on( "focusin.validate focusout.validate keyup.validate",
          ":text, [type='password'], [type='file'], select, textarea, [type='number'], [type='search'], " +
          "[type='tel'], [type='url'], [type='email'], [type='datetime'], [type='date'], [type='month'], " +
          "[type='week'], [type='time'], [type='datetime-local'], [type='range'], [type='color'], " +
          "[type='radio'], [type='checkbox'], [contenteditable], [type='button']", delegate )

        // Support: Chrome, oldIE
        // "select" is provided as event.target when clicking a option
        .on( "click.validate", "select, option, [type='radio'], [type='checkbox']", delegate );

      if ( this.settings.invalidHandler ) {
        $( this.currentForm ).on( "invalid-form.validate", this.settings.invalidHandler );
      }

      // Add aria-required to any Static/Data/Class required fields before first validation
      // Screen readers require this attribute to be present before the initial submission http://www.w3.org/TR/WCAG-TECHS/ARIA2.html
      $( this.currentForm ).find( "[required], [data-rule-required], .required" ).attr( "aria-required", "true" );
    },

    // http://jqueryvalidation.org/Validator.form/
    form: function() {
      this.checkForm();
      $.extend( this.submitted, this.errorMap );
      this.invalid = $.extend( {}, this.errorMap );
      if ( !this.valid() ) {
        $( this.currentForm ).triggerHandler( "invalid-form", [ this ] );
      }
      this.showErrors();
      return this.valid();
    },
    validAll: function(){
      this.checkForm();
      $.extend( this.submitted, this.errorMap );
      this.invalid = $.extend( {}, this.errorMap );
      if ( !this.valid() ) {
        $( this.currentForm ).triggerHandler( "invalid-form", [ this ] );
      }
      return this.valid();
    },
    checkForm: function() {
      this.prepareForm();
      for ( var i = 0, elements = ( this.currentElements = this.elements() ); elements[ i ]; i++ ) {
        this.check( elements[ i ] );
      }
      return this.valid();
    },

    // http://jqueryvalidation.org/Validator.element/
    element: function( element ) {
      var cleanElement = this.clean( element ),
        checkElement = this.validationTargetFor( cleanElement ),
        v = this,
        result = true,
        rs, group;

      if ( checkElement === undefined ) {
        delete this.invalid[ cleanElement.name ];
      } else {
        this.prepareElement( checkElement );
        this.currentElements = $( checkElement );

        // If this element is grouped, then validate all group elements already
        // containing a value
        group = this.groups[ checkElement.name ];
        if ( group ) {
          $.each( this.groups, function( name, testgroup ) {
            if ( testgroup === group && name !== checkElement.name ) {
              cleanElement = v.validationTargetFor( v.clean( v.findByName( name ) ) );
              if ( cleanElement && cleanElement.name in v.invalid ) {
                v.currentElements.push( cleanElement );
                result = v.check( cleanElement ) && result;
              }
            }
          } );
        }

        rs = this.check( checkElement ) !== false;
        result = result && rs;
        if ( rs ) {
          this.invalid[ checkElement.name ] = false;
        } else {
          this.invalid[ checkElement.name ] = true;
        }

        if ( !this.numberOfInvalids() ) {

          // Hide error containers on last error
          this.toHide = this.toHide.add( this.containers );
        }
        this.showErrors();

        // Add aria-invalid status for screen readers
        $( element ).attr( "aria-invalid", !rs );
      }

      return result;
    },

    // http://jqueryvalidation.org/Validator.showErrors/
    showErrors: function( errors ) {
      if ( errors ) {
        var validator = this;

        // Add items to error list and map
        $.extend( this.errorMap, errors );
        this.errorList = $.map( this.errorMap, function( message, name ) {
          return {
            message: message,
            element: validator.findByName( name )[ 0 ]
          };
        } );

        // Remove items from success list
        this.successList = $.grep( this.successList, function( element ) {
          return !( element.name in errors );
        } );
      }
      if ( this.settings.showErrors ) {
        this.settings.showErrors.call( this, this.errorMap, this.errorList );
      } else {
        this.defaultShowErrors();
      }
    },

    // http://jqueryvalidation.org/Validator.resetForm/
    resetForm: function() {
      if ( $.fn.resetForm ) {
        $( this.currentForm ).resetForm();
      }
      this.invalid = {};
      this.submitted = {};
      this.prepareForm();
      this.hideErrors();
      var elements = this.elements()
        .removeData( "previousValue" )
        .removeAttr( "aria-invalid" );

      this.resetElements( elements );
    },

    resetElements: function( elements ) {
      var i;

      if ( this.settings.unhighlight ) {
        for ( i = 0; elements[ i ]; i++ ) {
          this.settings.unhighlight.call( this, elements[ i ],
            this.settings.errorClass, "" );
          this.findByName( elements[ i ].name ).removeClass( this.settings.validClass );
        }
      } else {
        elements
          .removeClass( this.settings.errorClass )
          .removeClass( this.settings.validClass );
      }
    },

    numberOfInvalids: function() {
      return this.objectLength( this.invalid );
    },

    objectLength: function( obj ) {
      /* jshint unused: false */
      var count = 0,
        i;
      for ( i in obj ) {
        if ( obj[ i ] ) {
          count++;
        }
      }
      return count;
    },

    hideErrors: function() {
      this.hideThese( this.toHide );
    },

    hideThese: function( errors ) {
      errors.not( this.containers ).text( "" );
      this.addWrapper( errors ).hide();
    },

    valid: function() {
      return this.size() === 0;
    },

    size: function() {
      return this.errorList.length;
    },

    focusInvalid: function() {
      if ( this.settings.focusInvalid ) {
        try {
          $( this.findLastActive() || this.errorList.length && this.errorList[ 0 ].element || [] )
          .filter( ":visible" )
          .focus()

          // Manually trigger focusin event; without it, focusin handler isn't called, findLastActive won't have anything to find
          .trigger( "focusin" );
        } catch ( e ) {

          // Ignore IE throwing errors when focusing hidden elements
        }
      }
    },

    findLastActive: function() {
      var lastActive = this.lastActive;
      return lastActive && $.grep( this.errorList, function( n ) {
        return n.element.name === lastActive.name;
      } ).length === 1 && lastActive;
    },

    elements: function() {
      var validator = this,
        rulesCache = {};

      // Select all valid inputs inside the form (no submit or reset buttons)
      return $( this.currentForm )
      .find( "input, select, textarea, [contenteditable]" )
      .not( ":submit, :reset, :image, :disabled" )
      .not( this.settings.ignore )
      .filter( function() {
        var name = this.name || $( this ).attr( "name" ); // For contenteditable
        if ( !name && validator.settings.debug && window.console ) {
          console.error( "%o has no name assigned", this );
        }

        // Set form expando on contenteditable
        if ( this.hasAttribute( "contenteditable" ) ) {
          this.form = $( this ).closest( "form" )[ 0 ];
        }

        // Select only the first element for each name, and only those with rules specified
        if ( name in rulesCache || !validator.objectLength( $( this ).rules() ) ) {
          return false;
        }

        rulesCache[ name ] = true;
        return true;
      } );
    },

    clean: function( selector ) {
      return $( selector )[ 0 ];
    },

    errors: function() {
      var errorClass = this.settings.errorClass.split( " " ).join( "." );
      return $( this.settings.errorElement + "." + errorClass, this.errorContext );
    },

    resetInternals: function() {
      this.successList = [];
      this.errorList = [];
      this.errorMap = {};
      this.toShow = $( [] );
      this.toHide = $( [] );
    },

    reset: function() {
      this.resetInternals();
      this.currentElements = $( [] );
    },

    prepareForm: function() {
      this.reset();
      this.toHide = this.errors().add( this.containers );
    },

    prepareElement: function( element ) {
      this.reset();
      this.toHide = this.errorsFor( element );
    },

    elementValue: function( element ) {
      var $element = $( element ),
        type = element.type,
        val, idx;

      if ( type === "radio" || type === "checkbox" ) {
        return this.findByName( element.name ).filter( ":checked" ).val();
      } else if ( type === "number" && typeof element.validity !== "undefined" ) {
        return element.validity.badInput ? "NaN" : $element.val();
      }

      if ( element.hasAttribute( "contenteditable" ) ) {
        val = $element.text();
      } else {
        val = $element.val();
      }

      if ( type === "file" ) {

        // Modern browser (chrome & safari)
        if ( val.substr( 0, 12 ) === "C:\\fakepath\\" ) {
          return val.substr( 12 );
        }

        // Legacy browsers
        // Unix-based path
        idx = val.lastIndexOf( "/" );
        if ( idx >= 0 ) {
          return val.substr( idx + 1 );
        }

        // Windows-based path
        idx = val.lastIndexOf( "\\" );
        if ( idx >= 0 ) {
          return val.substr( idx + 1 );
        }

        // Just the file name
        return val;
      }

      if ( typeof val === "string" ) {
        return val.replace( /\r/g, "" );
      }
      return val;
    },

    check: function( element ) {
      element = this.validationTargetFor( this.clean( element ) );

      var rules = $( element ).rules(),
        rulesCount = $.map( rules, function( n, i ) {
          return i;
        } ).length,
        dependencyMismatch = false,
        val = this.elementValue( element ),
        result, method, rule;

      // If a normalizer is defined for this element, then
      // call it to retreive the changed value instead
      // of using the real one.
      // Note that `this` in the normalizer is `element`.
      if ( typeof rules.normalizer === "function" ) {
        val = rules.normalizer.call( element, val );

        if ( typeof val !== "string" ) {
          throw new TypeError( "The normalizer should return a string value." );
        }

        // Delete the normalizer from rules to avoid treating
        // it as a pre-defined method.
        delete rules.normalizer;
      }

      for ( method in rules ) {
        rule = { method: method, parameters: rules[ method ] };
        try {
          result = $.validator.methods[ method ].call( this, val, element, rule.parameters );

          // If a method indicates that the field is optional and therefore valid,
          // don't mark it as valid when there are no other rules
          if ( result === "dependency-mismatch" && rulesCount === 1 ) {
            dependencyMismatch = true;
            continue;
          }
          dependencyMismatch = false;

          if ( result === "pending" ) {
            this.toHide = this.toHide.not( this.errorsFor( element ) );
            return;
          }

          if ( !result ) {
            this.formatAndAdd( element, rule );
            return false;
          }
        } catch ( e ) {
          if ( this.settings.debug && window.console ) {
            console.log( "Exception occurred when checking element " + element.id + ", check the '" + rule.method + "' method.", e );
          }
          if ( e instanceof TypeError ) {
            e.message += ".  Exception occurred when checking element " + element.id + ", check the '" + rule.method + "' method.";
          }

          throw e;
        }
      }
      if ( dependencyMismatch ) {
        return;
      }
      if ( this.objectLength( rules ) ) {
        this.successList.push( element );
      }
      return true;
    },

    // Return the custom message for the given element and validation method
    // specified in the element's HTML5 data attribute
    // return the generic message if present and no method specific message is present
    customDataMessage: function( element, method ) {
      return $( element ).data( "msg" + method.charAt( 0 ).toUpperCase() +
        method.substring( 1 ).toLowerCase() ) || $( element ).data( "msg" );
    },

    // Return the custom message for the given element name and validation method
    customMessage: function( name, method ) {
      var m = this.settings.messages[ name ];
      return m && ( m.constructor === String ? m : m[ method ] );
    },

    // Return the first defined argument, allowing empty strings
    findDefined: function() {
      for ( var i = 0; i < arguments.length; i++ ) {
        if ( arguments[ i ] !== undefined ) {
          return arguments[ i ];
        }
      }
      return undefined;
    },

    // The second parameter 'rule' used to be a string, and extended to an object literal
    // of the following form:
    // rule = {
    //     method: "method name",
    //     parameters: "the given method parameters"
    // }
    //
    // The old behavior still supported, kept to maintain backward compatibility with
    // old code, and will be removed in the next major release.
    defaultMessage: function( element, rule ) {
      if ( typeof rule === "string" ) {
        rule = { method: rule };
      }

      var message = this.findDefined(
          this.customMessage( element.name, rule.method ),
          this.customDataMessage( element, rule.method ),

          // 'title' is never undefined, so handle empty string as undefined
          !this.settings.ignoreTitle && element.title || undefined,
          $.validator.messages[ rule.method ],
          "<strong>Warning: No message defined for " + element.name + "</strong>"
        ),
        theregex = /\$?\{(\d+)\}/g;
      if ( typeof message === "function" ) {
        message = message.call( this, rule.parameters, element );
      } else if ( theregex.test( message ) ) {
        message = $.validator.format( message.replace( theregex, "{$1}" ), rule.parameters );
      }

      return message;
    },

    formatAndAdd: function( element, rule ) {
      var message = this.defaultMessage( element, rule );

      this.errorList.push( {
        message: message,
        element: element,
        method: rule.method
      } );

      this.errorMap[ element.name ] = message;
      this.submitted[ element.name ] = message;
    },

    addWrapper: function( toToggle ) {
      if ( this.settings.wrapper ) {
        toToggle = toToggle.add( toToggle.parent( this.settings.wrapper ) );
      }
      return toToggle;
    },

    defaultShowErrors: function() {
      var i, elements, error;
      for ( i = 0; this.errorList[ i ]; i++ ) {
        error = this.errorList[ i ];
        if ( this.settings.highlight ) {
          this.settings.highlight.call( this, error.element, this.settings.errorClass, this.settings.validClass );
        }
        this.showLabel( error.element, error.message );
      }
      if ( this.errorList.length ) {
        this.toShow = this.toShow.add( this.containers );
      }
      if ( this.settings.success ) {
        for ( i = 0; this.successList[ i ]; i++ ) {
          this.showLabel( this.successList[ i ] );
        }
      }
      if ( this.settings.unhighlight ) {
        for ( i = 0, elements = this.validElements(); elements[ i ]; i++ ) {
          this.settings.unhighlight.call( this, elements[ i ], this.settings.errorClass, this.settings.validClass );
        }
      }
      this.toHide = this.toHide.not( this.toShow );
      this.hideErrors();
      this.addWrapper( this.toShow ).show();
    },

    validElements: function() {
      return this.currentElements.not( this.invalidElements() );
    },

    invalidElements: function() {
      return $( this.errorList ).map( function() {
        return this.element;
      } );
    },

    showLabel: function( element, message ) {
      var place, group, errorID, v,
        error = this.errorsFor( element ),
        elementID = this.idOrName( element ),
        describedBy = $( element ).attr( "aria-describedby" );

      if ( error.length ) {

        // Refresh error/success class
        error.removeClass( this.settings.validClass ).addClass( this.settings.errorClass );

        // Replace message on existing label
        error.html( message );
      } else {

        // Create error element
        error = $( "<" + this.settings.errorElement + ">" )
          .attr( "id", elementID + "-error" )
          .addClass( this.settings.errorClass )
          .html( message || "" );

        // Maintain reference to the element to be placed into the DOM
        place = error;
        if ( this.settings.wrapper ) {

          // Make sure the element is visible, even in IE
          // actually showing the wrapped element is handled elsewhere
          place = error.hide().show().wrap( "<" + this.settings.wrapper + "/>" ).parent();
        }
        if ( this.labelContainer.length ) {
          this.labelContainer.append( place );
        } else if ( this.settings.errorPlacement ) {
          this.settings.errorPlacement.call( this, place, $( element ) );
        } else {
          place.insertAfter( element );
        }

        // Link error back to the element
        if ( error.is( "label" ) ) {

          // If the error is a label, then associate using 'for'
          error.attr( "for", elementID );

          // If the element is not a child of an associated label, then it's necessary
          // to explicitly apply aria-describedby
        } else if ( error.parents( "label[for='" + this.escapeCssMeta( elementID ) + "']" ).length === 0 ) {
          errorID = error.attr( "id" );

          // Respect existing non-error aria-describedby
          if ( !describedBy ) {
            describedBy = errorID;
          } else if ( !describedBy.match( new RegExp( "\\b" + this.escapeCssMeta( errorID ) + "\\b" ) ) ) {

            // Add to end of list if not already present
            describedBy += " " + errorID;
          }
          $( element ).attr( "aria-describedby", describedBy );

          // If this element is grouped, then assign to all elements in the same group
          group = this.groups[ element.name ];
          if ( group ) {
            v = this;
            $.each( v.groups, function( name, testgroup ) {
              if ( testgroup === group ) {
                $( "[name='" + v.escapeCssMeta( name ) + "']", v.currentForm )
                  .attr( "aria-describedby", error.attr( "id" ) );
              }
            } );
          }
        }
      }
      if ( !message && this.settings.success ) {
        error.text( "" );
        if ( typeof this.settings.success === "string" ) {
          error.addClass( this.settings.success );
        } else {
          this.settings.success( error, element );
        }
      }
      this.toShow = this.toShow.add( error );
    },

    errorsFor: function( element ) {
      var name = this.escapeCssMeta( this.idOrName( element ) ),
        describer = $( element ).attr( "aria-describedby" ),
        selector = "label[for='" + name + "'], label[for='" + name + "'] *";

      // 'aria-describedby' should directly reference the error element
      if ( describer ) {
        selector = selector + ", #" + this.escapeCssMeta( describer )
          .replace( /\s+/g, ", #" );
      }

      return this
        .errors()
        .filter( selector );
    },

    // See https://api.jquery.com/category/selectors/, for CSS
    // meta-characters that should be escaped in order to be used with JQuery
    // as a literal part of a name/id or any selector.
    escapeCssMeta: function( string ) {
      return string.replace( /([\\!"#$%&'()*+,./:;<=>?@\[\]^`{|}~])/g, "\\$1" );
    },

    idOrName: function( element ) {
      return this.groups[ element.name ] || ( this.checkable( element ) ? element.name : element.id || element.name );
    },

    validationTargetFor: function( element ) {

      // If radio/checkbox, validate first element in group instead
      if ( this.checkable( element ) ) {
        element = this.findByName( element.name );
      }

      // Always apply ignore filter
      return $( element ).not( this.settings.ignore )[ 0 ];
    },

    checkable: function( element ) {
      return ( /radio|checkbox/i ).test( element.type );
    },

    findByName: function( name ) {
      return $( this.currentForm ).find( "[name='" + this.escapeCssMeta( name ) + "']" );
    },

    getLength: function( value, element ) {
      switch ( element.nodeName.toLowerCase() ) {
      case "select":
        return $( "option:selected", element ).length;
      case "input":
        if ( this.checkable( element ) ) {
          return this.findByName( element.name ).filter( ":checked" ).length;
        }
      }
      return value.length;
    },

    depend: function( param, element ) {
      return this.dependTypes[ typeof param ] ? this.dependTypes[ typeof param ]( param, element ) : true;
    },

    dependTypes: {
      "boolean": function( param ) {
        return param;
      },
      "string": function( param, element ) {
        return !!$( param, element.form ).length;
      },
      "function": function( param, element ) {
        return param( element );
      }
    },

    optional: function( element ) {
      var val = this.elementValue( element );
      return !$.validator.methods.required.call( this, val, element ) && "dependency-mismatch";
    },

    startRequest: function( element ) {
      if ( !this.pending[ element.name ] ) {
        this.pendingRequest++;
        $( element ).addClass( this.settings.pendingClass );
        this.pending[ element.name ] = true;
      }
    },

    stopRequest: function( element, valid ) {
      this.pendingRequest--;

      // Sometimes synchronization fails, make sure pendingRequest is never < 0
      if ( this.pendingRequest < 0 ) {
        this.pendingRequest = 0;
      }
      delete this.pending[ element.name ];
      $( element ).removeClass( this.settings.pendingClass );
      if ( valid && this.pendingRequest === 0 && this.formSubmitted && this.form() ) {
        $( this.currentForm ).submit();
        this.formSubmitted = false;
      } else if ( !valid && this.pendingRequest === 0 && this.formSubmitted ) {
        $( this.currentForm ).triggerHandler( "invalid-form", [ this ] );
        this.formSubmitted = false;
      }
    },

    previousValue: function( element, method ) {
      method = typeof method === "string" && method || "remote";

      return $.data( element, "previousValue" ) || $.data( element, "previousValue", {
        old: null,
        valid: true,
        message: this.defaultMessage( element, { method: method } )
      } );
    },

    // Cleans up all forms and elements, removes validator-specific events
    destroy: function() {
      this.resetForm();

      $( this.currentForm )
        .off( ".validate" )
        .removeData( "validator" )
        .find( ".validate-equalTo-blur" )
          .off( ".validate-equalTo" )
          .removeClass( "validate-equalTo-blur" );
    }

  },

  classRuleSettings: {
    required: { required: true },
    email: { email: true },
    url: { url: true },
    date: { date: true },
    dateISO: { dateISO: true },
    number: { number: true },
    digits: { digits: true },
    creditcard: { creditcard: true }
  },

  addClassRules: function( className, rules ) {
    if ( className.constructor === String ) {
      this.classRuleSettings[ className ] = rules;
    } else {
      $.extend( this.classRuleSettings, className );
    }
  },

  classRules: function( element ) {
    var rules = {},
      classes = $( element ).attr( "class" );

    if ( classes ) {
      $.each( classes.split( " " ), function() {
        if ( this in $.validator.classRuleSettings ) {
          $.extend( rules, $.validator.classRuleSettings[ this ] );
        }
      } );
    }
    return rules;
  },

  normalizeAttributeRule: function( rules, type, method, value ) {

    // Convert the value to a number for number inputs, and for text for backwards compability
    // allows type="date" and others to be compared as strings
    if ( /min|max|step/.test( method ) && ( type === null || /number|range|text/.test( type ) ) ) {
      value = Number( value );

      // Support Opera Mini, which returns NaN for undefined minlength
      if ( isNaN( value ) ) {
        value = undefined;
      }
    }

    if ( value || value === 0 ) {
      rules[ method ] = value;
    } else if ( type === method && type !== "range" ) {

      // Exception: the jquery validate 'range' method
      // does not test for the html5 'range' type
      rules[ method ] = true;
    }
  },

  attributeRules: function( element ) {
    var rules = {},
      $element = $( element ),
      type = element.getAttribute( "type" ),
      method, value;

    for ( method in $.validator.methods ) {

      // Support for <input required> in both html5 and older browsers
      if ( method === "required" ) {
        value = element.getAttribute( method );

        // Some browsers return an empty string for the required attribute
        // and non-HTML5 browsers might have required="" markup
        if ( value === "" ) {
          value = true;
        }

        // Force non-HTML5 browsers to return bool
        value = !!value;
      } else {
        value = $element.attr( method );
      }

      this.normalizeAttributeRule( rules, type, method, value );
    }

    // 'maxlength' may be returned as -1, 2147483647 ( IE ) and 524288 ( safari ) for text inputs
    if ( rules.maxlength && /-1|2147483647|524288/.test( rules.maxlength ) ) {
      delete rules.maxlength;
    }

    return rules;
  },

  dataRules: function( element ) {
    var rules = {},
      $element = $( element ),
      type = element.getAttribute( "type" ),
      method, value;

    for ( method in $.validator.methods ) {
      value = $element.data( "rule" + method.charAt( 0 ).toUpperCase() + method.substring( 1 ).toLowerCase() );
      this.normalizeAttributeRule( rules, type, method, value );
    }
    return rules;
  },

  staticRules: function( element ) {
    var rules = {},
      validator = $.data( element.form, "validator" );

    if ( validator.settings.rules ) {
      rules = $.validator.normalizeRule( validator.settings.rules[ element.name ] ) || {};
    }
    return rules;
  },

  normalizeRules: function( rules, element ) {

    // Handle dependency check
    $.each( rules, function( prop, val ) {

      // Ignore rule when param is explicitly false, eg. required:false
      if ( val === false ) {
        delete rules[ prop ];
        return;
      }
      if ( val.param || val.depends ) {
        var keepRule = true;
        switch ( typeof val.depends ) {
        case "string":
          keepRule = !!$( val.depends, element.form ).length;
          break;
        case "function":
          keepRule = val.depends.call( element, element );
          break;
        }
        if ( keepRule ) {
          rules[ prop ] = val.param !== undefined ? val.param : true;
        } else {
          $.data( element.form, "validator" ).resetElements( $( element ) );
          delete rules[ prop ];
        }
      }
    } );

    // Evaluate parameters
    $.each( rules, function( rule, parameter ) {
      rules[ rule ] = $.isFunction( parameter ) && rule !== "normalizer" ? parameter( element ) : parameter;
    } );

    // Clean number parameters
    $.each( [ "minlength", "maxlength" ], function() {
      if ( rules[ this ] ) {
        rules[ this ] = Number( rules[ this ] );
      }
    } );
    $.each( [ "rangelength", "range" ], function() {
      var parts;
      if ( rules[ this ] ) {
        if ( $.isArray( rules[ this ] ) ) {
          rules[ this ] = [ Number( rules[ this ][ 0 ] ), Number( rules[ this ][ 1 ] ) ];
        } else if ( typeof rules[ this ] === "string" ) {
          parts = rules[ this ].replace( /[\[\]]/g, "" ).split( /[\s,]+/ );
          rules[ this ] = [ Number( parts[ 0 ] ), Number( parts[ 1 ] ) ];
        }
      }
    } );

    if ( $.validator.autoCreateRanges ) {

      // Auto-create ranges
      if ( rules.min != null && rules.max != null ) {
        rules.range = [ rules.min, rules.max ];
        delete rules.min;
        delete rules.max;
      }
      if ( rules.minlength != null && rules.maxlength != null ) {
        rules.rangelength = [ rules.minlength, rules.maxlength ];
        delete rules.minlength;
        delete rules.maxlength;
      }
    }

    return rules;
  },

  // Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}
  normalizeRule: function( data ) {
    if ( typeof data === "string" ) {
      var transformed = {};
      $.each( data.split( /\s/ ), function() {
        transformed[ this ] = true;
      } );
      data = transformed;
    }
    return data;
  },

  // http://jqueryvalidation.org/jQuery.validator.addMethod/
  addMethod: function( name, method, message ) {
    $.validator.methods[ name ] = method;
    $.validator.messages[ name ] = message !== undefined ? message : $.validator.messages[ name ];
    if ( method.length < 3 ) {
      $.validator.addClassRules( name, $.validator.normalizeRule( name ) );
    }
  },

  // http://jqueryvalidation.org/jQuery.validator.methods/
  methods: {

    // http://jqueryvalidation.org/required-method/
    required: function( value, element, param ) {

      // Check if dependency is met
      if ( !this.depend( param, element ) ) {
        return "dependency-mismatch";
      }
      if ( element.nodeName.toLowerCase() === "select" ) {

        // Could be an array for select-multiple or a string, both are fine this way
        var val = $( element ).val();
        return val && val.length > 0;
      }
      if ( this.checkable( element ) ) {
        return this.getLength( value, element ) > 0;
      }
      return value.length > 0;
    },

    // http://jqueryvalidation.org/email-method/
    email: function( value, element ) {

      // From https://html.spec.whatwg.org/multipage/forms.html#valid-e-mail-address
      // Retrieved 2014-01-14
      // If you have a problem with this implementation, report a bug against the above spec
      // Or use custom methods to implement your own email validation
      return this.optional( element ) || /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/.test( value );
    },

    // http://jqueryvalidation.org/url-method/
    url: function( value, element ) {

      // Copyright (c) 2010-2013 Diego Perini, MIT licensed
      // https://gist.github.com/dperini/729294
      // see also https://mathiasbynens.be/demo/url-regex
      // modified to allow protocol-relative URLs
      return this.optional( element ) || /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})).?)(?::\d{2,5})?(?:[/?#]\S*)?$/i.test( value );
    },

    // http://jqueryvalidation.org/date-method/
    date: function( value, element ) {
      return this.optional( element ) || !/Invalid|NaN/.test( new Date( value ).toString() );
    },

    // http://jqueryvalidation.org/dateISO-method/
    dateISO: function( value, element ) {
      return this.optional( element ) || /^\d{4}[\/\-](0?[1-9]|1[012])[\/\-](0?[1-9]|[12][0-9]|3[01])$/.test( value );
    },

    // http://jqueryvalidation.org/number-method/
    number: function( value, element ) {
      return this.optional( element ) || /^(?:-?\d+|-?\d{1,3}(?:,\d{3})+)?(?:\.\d+)?$/.test( value );
    },

    // http://jqueryvalidation.org/digits-method/
    digits: function( value, element ) {
      return this.optional( element ) || /^\d+$/.test( value );
    },

    // http://jqueryvalidation.org/minlength-method/
    minlength: function( value, element, param ) {
      var length = $.isArray( value ) ? value.length : this.getLength( value, element );
      return this.optional( element ) || length >= param;
    },

    // http://jqueryvalidation.org/maxlength-method/
    maxlength: function( value, element, param ) {
      var length = $.isArray( value ) ? value.length : this.getLength( value, element );
      return this.optional( element ) || length <= param;
    },

    // http://jqueryvalidation.org/rangelength-method/
    rangelength: function( value, element, param ) {
      var length = $.isArray( value ) ? value.length : this.getLength( value, element );
      return this.optional( element ) || ( length >= param[ 0 ] && length <= param[ 1 ] );
    },

    // http://jqueryvalidation.org/min-method/
    min: function( value, element, param ) {
      return this.optional( element ) || value >= param;
    },

    // http://jqueryvalidation.org/max-method/
    max: function( value, element, param ) {
      return this.optional( element ) || value <= param;
    },

    // http://jqueryvalidation.org/range-method/
    range: function( value, element, param ) {
      return this.optional( element ) || ( value >= param[ 0 ] && value <= param[ 1 ] );
    },

    // http://jqueryvalidation.org/step-method/
    step: function( value, element, param ) {
      var type = $( element ).attr( "type" ),
        errorMessage = "Step attribute on input type " + type + " is not supported.",
        supportedTypes = [ "text", "number", "range" ],
        re = new RegExp( "\\b" + type + "\\b" ),
        notSupported = type && !re.test( supportedTypes.join() ),
        decimalPlaces = function( num ) {
          var match = ( "" + num ).match( /(?:\.(\d+))?$/ );
          if ( !match ) {
            return 0;
          }

          // Number of digits right of decimal point.
          return match[ 1 ] ? match[ 1 ].length : 0;
        },
        toInt = function( num ) {
          return Math.round( num * Math.pow( 10, decimals ) );
        },
        valid = true,
        decimals;

      // Works only for text, number and range input types
      // TODO find a way to support input types date, datetime, datetime-local, month, time and week
      if ( notSupported ) {
        throw new Error( errorMessage );
      }

      decimals = decimalPlaces( param );

      // Value can't have too many decimals
      if ( decimalPlaces( value ) > decimals || toInt( value ) % toInt( param ) !== 0 ) {
        valid = false;
      }

      return this.optional( element ) || valid;
    },

    // http://jqueryvalidation.org/equalTo-method/
    equalTo: function( value, element, param ) {

      // Bind to the blur event of the target in order to revalidate whenever the target field is updated
      var target = $( param );
      if ( this.settings.onfocusout && target.not( ".validate-equalTo-blur" ).length ) {
        target.addClass( "validate-equalTo-blur" ).on( "blur.validate-equalTo", function() {
          $( element ).valid();
        } );
      }
      return value === target.val();
    },

    // http://jqueryvalidation.org/remote-method/
    remote: function( value, element, param, method ) {
      if ( this.optional( element ) ) {
        return "dependency-mismatch";
      }

      method = typeof method === "string" && method || "remote";

      var previous = this.previousValue( element, method ),
        validator, data, optionDataString;

      if ( !this.settings.messages[ element.name ] ) {
        this.settings.messages[ element.name ] = {};
      }
      previous.originalMessage = previous.originalMessage || this.settings.messages[ element.name ][ method ];
      this.settings.messages[ element.name ][ method ] = previous.message;

      param = typeof param === "string" && { url: param } || param;
      optionDataString = $.param( $.extend( { data: value }, param.data ) );
      if ( previous.old === optionDataString ) {
        return previous.valid;
      }

      previous.old = optionDataString;
      validator = this;
      this.startRequest( element );
      data = {};
      data[ element.name ] = value;
      $.ajax( $.extend( true, {
        mode: "abort",
        port: "validate" + element.name,
        dataType: "json",
        data: data,
        context: validator.currentForm,
        success: function( response ) {
          var valid = response === true || response === "true",
            errors, message, submitted;

          validator.settings.messages[ element.name ][ method ] = previous.originalMessage;
          if ( valid ) {
            submitted = validator.formSubmitted;
            validator.resetInternals();
            validator.toHide = validator.errorsFor( element );
            validator.formSubmitted = submitted;
            validator.successList.push( element );
            validator.invalid[ element.name ] = false;
            validator.showErrors();
          } else {
            errors = {};
            message = response || validator.defaultMessage( element, { method: method, parameters: value } );
            errors[ element.name ] = previous.message = message;
            validator.invalid[ element.name ] = true;
            validator.showErrors( errors );
          }
          previous.valid = valid;
          validator.stopRequest( element, valid );
        }
      }, param ) );
      return "pending";
    }
  }

} );

// Ajax mode: abort
// usage: $.ajax({ mode: "abort"[, port: "uniqueport"]});
// if mode:"abort" is used, the previous request on that port (port can be undefined) is aborted via XMLHttpRequest.abort()

var pendingRequests = {},
  ajax;

// Use a prefilter if available (1.5+)
if ( $.ajaxPrefilter ) {
  $.ajaxPrefilter( function( settings, _, xhr ) {
    var port = settings.port;
    if ( settings.mode === "abort" ) {
      if ( pendingRequests[ port ] ) {
        pendingRequests[ port ].abort();
      }
      pendingRequests[ port ] = xhr;
    }
  } );
} else {

  // Proxy ajax
  ajax = $.ajax;
  $.ajax = function( settings ) {
    var mode = ( "mode" in settings ? settings : $.ajaxSettings ).mode,
      port = ( "port" in settings ? settings : $.ajaxSettings ).port;
    if ( mode === "abort" ) {
      if ( pendingRequests[ port ] ) {
        pendingRequests[ port ].abort();
      }
      pendingRequests[ port ] = ajax.apply( this, arguments );
      return pendingRequests[ port ];
    }
    return ajax.apply( this, arguments );
  };
}
return $;
}));